6x fast tech King XM-L2 no name (very nice)

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18sixfifty
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6x fast tech King XM-L2 no name (very nice)

https://www.fasttech.com/products/1502101

I bought this light to mod it with XP-G2’s but after getting it in I don’t think I will. I am just really surprised how nice this light is stock. Out of the dozens of light I have I only kept a few stock so that should tell you something. I had a sky ray 6x that I wasn’t that impressed with it was just a T6. I decided to mod it, but then I saw this one and thought what the heck if I’m just going to pull the emitters out I might as well pull out 6 emitters that I will actually use. I have the extra bare noctigons anyway. The reason I didn’t care for the 6x sky ray light was that it had a rather funny beam pattern. It had a large hotspot and then a ring and I can’t stand lights with rings. This one does not have that ring at all.

I would not say that this light is overdriven at all but it’s still very bright. The tint is a very cool white which I kinda like on this one for some reason. I’m guessing it’s only around 2,000 lumens. I haven’t pulled it apart to see which driver it’s running. It would have been nicer if the low was lower, but overall I’m very happy with it. It also doesn’t seem to get scorching hot the way the other Kings I have owned did.

Just my two cents but I would buy this one over the 6x Sky Ray.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

Edited by: 18sixfifty on 11/16/2013 - 01:37
comfychair
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Good machining, o-ring fit and etc.? I was considering one as well as a host for some abject stupidity (http://budgetlightforum.com/node/26126).

Appears identical to the Ultrafire-branded ones, except the UF uses XML2 only in the gold version, and XML in the black one.

sixfink
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Any chance for comparison shots, showing its beam next to the older SRK’s beam (preferrably a 3-thyristor driver one)?

What do you think about the lathe work, are the threads of satisfying quality? Has the anodisation been done nicely (no, forget about that, as it’ll become scratched, anyway)? Did they really use XM-L2 leds?

I like my 1st gen SRK very much, and my best friend even loves his with indiscriminate passion. You should see him taking the dog walkies at nights, dashing hither and tither at a staggering walk, giggling like a schoolgirl as his SRK blasts photons in all directions. Mind you, we’re not talking about a barely adolescent dopehead, here; but about a grown man, electrical engineering technician, married and father of two. He recently considered buying a TM26 (at £ 230.00 a pop!), and so I surely have to lead him back to the road of budget. Your recommendation might just be the ticket.

18sixfifty
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comfychair wrote:

Good machining, o-ring fit and etc.? I was considering one as well as a host for some abject stupidity (http://budgetlightforum.com/node/26126).

Appears identical to the Ultrafire-branded ones, except the UF uses XML2 only in the gold version, and XML in the black one.

It seems pretty decent to me, but some people might not like it as well. The fins on the base are cut so they are a bit sharp but you don’t notice it when carrying. The anodizing is that rather smooth feeling stuff, if you know what I mean. The O ring is fine and it threads nicely, came pre-lubed. It might give people trouble if they are using the longest 18650’s but I also like that because I run unprotected batteries and they fit perfectly and make great contact.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

18sixfifty
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sixfink wrote:
Any chance for comparison shots, showing its beam next to the older SRK’s beam (preferrably a 3-thyristor driver one)?

What do you think about the lathe work, are the threads of satisfying quality? Has the anodisation been done nicely (no, forget about that, as it’ll become scratched, anyway)? Did they really use XM-L2 leds?

I like my 1st gen SRK very much, and my best friend even loves his with indiscriminate passion. You should see him taking the dog walkies at nights, dashing hither and tither at a staggering walk, giggling like a schoolgirl as his SRK blasts photons in all directions. Mind you, we’re not talking about a barely adolescent dopehead, here; but about a grown man, electrical engineering technician, married and father of two. He recently considered buying a TM26 (at £ 230.00 a pop!), and so I surely have to lead him back to the road of budget. Your recommendation might just be the ticket.

I sold my other SRK’s the only other small Sky Ray triple I have has been modded beyond recognition. (de-domed and over 3,000 lumens) In all honestly I don’t think you would see any major improvement over the original SRK. I like it better than the Sky Ray 6x because of the better beam pattern, it’s very floody with a large hotspot and smooth beam. But it doesn’t outhrow the original SRK with the good driver and it’s not more lumens either or if it is it’s not by much. What it is is a great flooder that doesn’t heat up as fast as the original.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

tallboybass
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This looks like a fun one to try dedoming 2 or 3 of the emitters on, to warm it up and increase the throw a bit.

18sixfifty
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tallboybass wrote:
This looks like a fun one to try dedoming 2 or 3 of the emitters on, to warm it up and increase the throw a bit.

Yep I thought of that too. Probably after that new flashlight smell wears off. Wink

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

tallboybass
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Yup, it’ll probably be unrecognizable here in a couple days! Wink

What made you get this one over the UF version?

18sixfifty
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tallboybass wrote:
Yup, it’ll probably be unrecognizable here in a couple days! Wink

What made you get this one over the UF version?

I wanted a black one with XM-L2’s and thought I would try it out. I really had planned on gutting it out anyway.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

borg
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Thanks for confirming that this version does not have that ring in the beam.
It would be interesting to see what kind of driver this is using and some tailcap amperage draw readings.
When you take it apart please post some pictures with the driver and the insides of this version.
My exact same light is on the way, I hope the driver is mod friendly, i would like to boost the current up a little more.

toysareforboys
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18sixfifty wrote:
comfychair wrote:

Good machining, o-ring fit and etc.? I was considering one as well as a host for some abject stupidity (http://budgetlightforum.com/node/26126).

Appears identical to the Ultrafire-branded ones, except the UF uses XML2 only in the gold version, and XML in the black one.

It seems pretty decent to me, but some people might not like it as well. The fins on the base are cut so they are a bit sharp but you don’t notice it when carrying. The anodizing is that rather smooth feeling stuff, if you know what I mean. The O ring is fine and it threads nicely, came pre-lubed. It might give people trouble if they are using the longest 18650’s but I also like that because I run unprotected batteries and they fit perfectly and make great contact.

How do flat top batteries work? Is it a different design then a normal SRK? My Pana NCR18650B’s don’t work at all in my original SRK, I had to solder blob them Sad

-Jamie M.

SeenTheLight
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Can I have some more information about the low-mode please.
I’ve got an SRK (who knows what version!), and the low mode has a very noticeable PWM – how about this one?
Any comment on the run-time on high?
Thanks

18sixfifty
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Quote:
How do flat top batteries work? Is it a different design then a normal SRK? My Pana NCR18650B’s don’t work at all in my original SRK, I had to solder blob them Sad -Jamie M.

I use Sony unprotected and their positive end is raised up enough to make good contact. The design is the same but the springs are keeping the battery up higher.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

18sixfifty
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SeenTheLight wrote:
Can I have some more information about the low-mode please. I’ve got an SRK (who knows what version!), and the low mode has a very noticeable PWM – how about this one? Any comment on the run-time on high? Thanks

I really wouldn’t be the person to ask about PWM I never really notice it unless it’s snowing out and even then I couldn’t tell you if it was “bad” or not. I would assume it’s the same as any of them.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

LinusHofmann
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18sixfifty wrote:
I really wouldn’t be the person to ask about PWM I never really notice it unless it’s snowing out and even then I couldn’t tell you if it was “bad” or not. I would assume it’s the same as any of them.

I always wonder when people say that, I can understand not finding it bothersome in general use but a quick wave of the hand through the path of the beam is all it should take to identify obvious PWMing. At least it is for me, if I see strobed images of my hand it’s bad, if it’s smooth as butter it’s good. If I have to work hard and swing my hand very fast to detect any flicker then it’s PWM but at a fast enough Hz that even I don’t really mind it in general use.

The trick is not to follow your hand with your eyes, focus on something in the distance and then flick your hand through the beam. Should be obvious then just like the snow Smile

18sixfifty
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LinusHofmann wrote:
18sixfifty wrote:
I really wouldn’t be the person to ask about PWM I never really notice it unless it’s snowing out and even then I couldn’t tell you if it was “bad” or not. I would assume it’s the same as any of them.

I always wonder when people say that, I can understand not finding it bothersome in general use but a quick wave of the hand through the path of the beam is all it should take to identify obvious PWMing. At least it is for me, if I see strobed images of my hand it’s bad, if it’s smooth as butter it’s good. If I have to work hard and swing my hand very fast to detect any flicker then it’s PWM but at a fast enough Hz that even I don’t really mind it in general use.

The trick is not to follow your hand with your eyes, focus on something in the distance and then flick your hand through the beam. Should be obvious then just like the snow Smile

Just tried it on a couple lights and I can’t see it, I have do it before with a fan and I can’t see it with them either.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

SeenTheLight
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yes, pretty much agree with what Linus wrote.
I see about 20 copies of my finger if I wave across the front of my SRK on low. Which for me is annoying (not to mention scary/dangerous if you’re working on rotating machinery – or car engines)
I have a few other flashlights which presumably control power by PWM – but it’s completely invisible to me.
What I don’t know is if peoples eyes have different thresholds to this sort of thing.
Anyway – any info gratefully received.
STL

SeenTheLight
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18sixfifty wrote:
LinusHofmann wrote:
18sixfifty wrote:
I really wouldn’t be the person to ask about PWM I never really notice it unless it’s snowing out and even then I couldn’t tell you if it was “bad” or not. I would assume it’s the same as any of them.

I always wonder when people say that, I can understand not finding it bothersome in general use but a quick wave of the hand through the path of the beam is all it should take to identify obvious PWMing. At least it is for me, if I see strobed images of my hand it’s bad, if it’s smooth as butter it’s good. If I have to work hard and swing my hand very fast to detect any flicker then it’s PWM but at a fast enough Hz that even I don’t really mind it in general use.

The trick is not to follow your hand with your eyes, focus on something in the distance and then flick your hand through the beam. Should be obvious then just like the snow Smile

Just tried it on a couple lights and I can’t see it, I have do it before with a fan and I can’t see it with them either.

Thanks. appreciated. STL

LinusHofmann
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18sixfifty wrote:

Just tried it on a couple lights and I can’t see it, I have do it before with a fan and I can’t see it with them either.

That’s interesting, you must be immune to strobing…any extensive disco/rave experiences in your past? Party

The fan test can be hit and miss depending on it’s rotational speed and the frequency of the PWM. In the worst case you may not notice anything at all while in the best case scenario it could actually make the fan appear to be completely stopped or spinning at a totally different speed to reality. I find that quite freaky at times.

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Digital cameras get really unhappy in the presence of low frequency PWM.

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I find the best way to see PWM, aside from a fan, is when walking outdoors.  Pan the beam across the grass and defocus your eyes while following the beam, not the grass.  A light with PWM will make the grass look like it is digital.  It might not make sense until you do it but once you see it you will say "yeah, digital is exactly what it looks like".  A light without PWM will leave the grass in the beam spot a blurr.

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How about turning on the shower in the dark to detect PWM? That seems always the fool proof way for me. If there’s PWM the lit area of the water is a series of tiny little dots.

leaftye
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comfychair wrote:

Digital cameras get really unhappy in the presence of low frequency PWM.

It's annoying when you try to take a wall shot, and get nothing but black.

The low mode should be lower.

LinusHofmann
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leaftye wrote:

comfychair wrote:

Digital cameras get really unhappy in the presence of low frequency PWM.

It’s annoying when you try to take a wall shot, and get nothing but black.

hehe yep Silly

18sixfifty
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OK well it’s raining like crazy right now and I can notice PWM on low but not what I would call “bad”. For what that’s worth.

I’m a junky, I mod lights so I can sell lights so I can buy more light to mod so I can sell lights to buy more lights to mod.

toysareforboys
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I don’t mind the PWM so much, but I can’t stand PWM whine at all Sad It’s like nails on a chalkboard for me, super painful Sad

http://www.youtube.com/watch?v=vk2t5oWaf18

-Jamie M.

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I received mine from fasttech. I must say I am not very happy with this purchase.
First of all, I needed the new srk body style, like in the pictures presented on fasttech site. I received the old battery tube with the straight lines.

The flashlight also came with defective driver board, the leds were flickering and low output level.
The reflector machining looks horrible(see pic)

After taking the light apart, it looks like the driver board is the single toroidal one(see pic). I managed to repair the driver by resoldering one of the 000 value resistor.

Mod report : After repairing the driver, I made a current draw test. With a single trustfire flame it measured ~4 amps.
I changed the wires with thicker ones and soldered a piece of cooper wire over the 0 value resistors. The flashlight is visibly brighter now and the current draw increased to ~5,3 amps on a single TF flame.
I will test again later with 4cells, because it seems that 5,3 amps is the maximum for 1cell.


leaftye
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Please do a review on FT so we know which one to avoid.

The low mode should be lower.

LinusHofmann
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Ugh, that’s an awful looking reflector! Wouldn’t be pleased to get one like that Sad

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leaftye : It is the flashlight bought from the link in the first post here.

LinusHofmann : exactly !

New tailcap measurement after mod : I was able to hold 2 batteries, the multimeter leads and push the button at the same time Smile Current draw ~6,8 A ! Not bad from stock ~4A

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I was considering order one of these from Fasttech, but after seeing that reflector I think I’ll hold off. There is no way I’d be happy getting a light in that condition. I guess we are seeing the result of the QC compromises that are being made to reach these crazy low price points.

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